CVE-2022-50577 Affecting kernel-rt-debug-kvm package, versions *


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

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  • Snyk IDSNYK-RHEL7-KERNELRTDEBUGKVM-13699360
  • published24 Oct 2025
  • disclosed22 Oct 2025

Introduced: 22 Oct 2025

NewCVE-2022-50577  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 kernel-rt-debug-kvm.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-kvm package and not the kernel-rt-debug-kvm package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

ima: Fix memory leak in __ima_inode_hash()

Commit f3cc6b25dcc5 ("ima: always measure and audit files in policy") lets measurement or audit happen even if the file digest cannot be calculated.

As a result, iint->ima_hash could have been allocated despite ima_collect_measurement() returning an error.

Since ima_hash belongs to a temporary inode metadata structure, declared at the beginning of __ima_inode_hash(), just add a kfree() call if ima_collect_measurement() returns an error different from -ENOMEM (in that case, ima_hash should not have been allocated).

CVSS Base Scores

version 3.1